Active areas
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 2704 | N10 | E53 | 03 | 0030 | Beta | Apr 18, 2018 | Apr 25, 2018 | May 8, 2018 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1989, January to 2018, April. Gray background - average solar cycle.
